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WHO Statement: Ethical Considerations For Use Of Unregistered Interventions For Ebola Virus Disease (EVD)
Date Posted: 16/Aug/2014
Summary of the panel discussion
West Africa is experiencing the largest, most severe and most complex outbreak of Ebola virus disease in history. Ebola outbreaks can be contained using available interventions like early detection and isolation, contact tracing and monitoring, and adherence to rigorous procedures of infection control. However, a specific treatment or vaccine would be a potent asset to counter the virus.
Over the past decade, research efforts have been invested into developing drugs and vaccines for Ebola virus disease. Some of these have shown promising results in the laboratory, but they have not yet been evaluated for safety and efficacy in human beings. The large number of people affected by the 2014 west Africa outbreak, and the high case-fatality rate, have prompted calls to use investigational medical interventions to try to save the lives of patients and to curb the epidemic.
Therefore, on 11 August 2014, WHO convened a consultation to consider and assess the ethical implications for clinical decision-making of the potential use of unregistered interventions.
In the particular circumstances of this outbreak, and provided certain conditions are met, the panel reached consensus that it is ethical to offer unproven interventions with as yet unknown efficacy and adverse effects, as potential treatment or prevention.
Ethical criteria must guide the provision of such interventions. These include transparency about all aspects of care, informed consent, freedom of choice, confidentiality, respect for the person, preservation of dignity and involvement of the community.
In order to understand the safety and efficacy of these interventions, the group advised that, if and when they are used to treat patients, there is a moral obligation to collect and share all data generated, including from treatments provided for ‘compassionate use’ (access to an unapproved drug outside of a clinical trial).
The group explored how the use of these interventions can be evaluated scientifically to ensure timely and accurate information about the safety and efficacy of these investigational interventions. There was unanimous agreement that there is a moral duty to also evaluate these interventions (for treatment or prevention) in the best possible clinical trials under the circumstances in order to definitively prove their safety and efficacy or provide evidence to stop their utilization. Ongoing evaluation should guide future interventions.
In addition to this advice, the panel identified areas that need more detailed analysis and discussion, such as:
. ethical ways to gather data while striving to provide optimal care under the prevailing circumstances;
. ethical criteria to prioritize the use of unregistered experimental therapies and vaccines;
. ethical criteria for achieving fair distribution in communities and among countries, in the face of a growing number of possible new interventions, none of which is likely to meet demand in the short term.
A report of the meeting proceedings will be available to the public by 17 August 2014.
List of participants
1 Prof Michael Selgelid
Director of the Centre for Human Bioethics, Monash University Australia
2 Dr. Philippe Calain (chair)
Unité de Recherche sur les Enjeux et Pratiques Humanitaires (UREPH), Médecins Sans Frontières Switzerland
3 Prof. Aisssatoue Toure
Head of Immunology Department, Pasteur Institute, Dakar Senegal
4 Prof. Ross Upshur
Canada Research Chair in Primary Care Research; Professor, Department of Family and Community Medicine and Dalla Lana School of Public Health, University of Toronto; former Director of the University of Toronto Joint Centre for Bioethics (2006-2011) Canada
5 Prof. Peter Smith
Professor of Tropical Epidemiology, London School of Tropical Medicine and Hygiene United Kingdom
6 Dr. Helen Byomire Ndagije
Head of the Drug Information Department in the Ugandan National Drug Authority (NDA) Uganda
7 Prof Jeremy Farrar
Director, Wellcome Trust United Kingdom
8 Prof Ryuichi Ida
Member of the Expert Panel on Bioethics (National Bioethics Committee) Japan
9 Ms. Jeanine Thomas
Patient Safety Champion United States of America
10 Dr. Juan Pablo Beca
Professor, Bioethics Center at Universidad del Desarrollo Chile
11 Pr. Tariq Madani
Professor of internal medicine and infectious diseases Saudi Arabia
12 Dr. Marion Danis
Head, Sect. on Ethics & Health Policy (NIH) United States of America
Resource persons
Dr. Stephan Monroe, CDC, US-FDA
Prof. Luciana Borio, US-FDA
Dr. Frederick Hayden, U Virginia, USA
Dr. Daniel Baush, U.S. Naval Medical Research Unit No.6 Lima, Peru
Twelve Declarations of interest for advisors and four for resource persons were reviewed. No conflict of interest was declared by any of the advisors. Dr Fred Hayden, one of the resource persons, declared that “he and his University have received compensation for his time in reviewing one patent case regarding Zanamivir (GSK) and medicolegal cases involving fatal influenza and delayed use of Oseltamivir (Roche).” It was clarified with Dr Hayden that he had conducted the case reviews as a full faculty member and that he had not received any remuneration for them separate from his faculty. It shall be noted that the resource persons contributed their valuable technical expertise only when requested by the chair.
Media contact:
Gregory Hartl
WHO Department of Communications 
Telephone: +41 22 791 44 58 
Mobile: +41 79 203 67 15 


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